Cnet.com has links for numerous (110,000 +) free legal music file downloads, including a variety of trad categories. See link:
http://music.download.com/3608-8226_32-0.html?tag=MDL_nav_dir&searchType=3608&orderby=-uoRating
Not a scam or come on for fees and you may stream selections, create playlists, etc.
Pretty cool.